General Dosage
6-12 mg daily with a fat-containing meal
Maximum dose: 24 mg/day used in research without adverse effects; typical ceiling is 12 mg/day
Astaxanthin (Eye Health) Dosage Guide
Evidence:Moderate
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Dosage Recommendations
General recommendation: 6-12 mg daily with a fat-containing meal
Timing: With a fat-containing meal for optimal absorption • Take with food for best absorption.
Dosage by Condition
Eye fatigue / screen strain
6 mg dailyModerate
Retinal blood flow
12 mg dailyModerate
General eye antioxidant support
4-6 mg dailyModerate
| Condition | Recommended Dose | Evidence |
|---|---|---|
| Eye fatigue / screen strain | 6 mg daily | Moderate |
| Retinal blood flow | 12 mg daily | Moderate |
| General eye antioxidant support | 4-6 mg daily | Moderate |
Upper limit: 24 mg/day used in research without adverse effects; typical ceiling is 12 mg/day
Timing & Absorption
With a fat-containing meal for optimal absorption
Best taken with food for optimal absorption.
References
- RCTNagaki Y, Hayasaka S, Yamada T, et al. (2002). Effects of astaxanthin on accommodation, critical flicker fusion, and pattern visual evoked potential in visual display terminal workers. Journal of Traditional Medicines.
- RCTSaito M, Yoshida K, Saito W, et al. (2012). Astaxanthin increases choroidal blood flow velocity. Graefe's Archive for Clinical and Experimental Ophthalmology. DOI PubMed